CN112785257A - Engineering cost operation evaluation method and system based on BIM technology - Google Patents
Engineering cost operation evaluation method and system based on BIM technology Download PDFInfo
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Abstract
The method comprises the steps of obtaining project list detailed information of each sub-construction project in a three-dimensional model used for simulating the whole process of project construction, and automatically carrying out project amount checking and correction; automatically acquiring unit price corresponding to each sub-construction project list; automatically calculating the price according to the content of the sub-construction project, the corresponding project list and the unit price thereof; enabling the three-dimensional model to simulate the whole construction process of a project, estimating risk, automatically matching the range of sub-package projects and the capacity value of sub-packages, and estimating sub-package project cost; and determining the profit rate of the project by combining the actual market competition condition, estimating the profit value of the project, and then carrying out expense summary summation by combining the closing price calculation result, the risk money and the sub-package project cost to obtain the estimated construction cost of the project. The problem of current engineering cost operation aassessment inefficiency is solved, this application has the effect that improves engineering cost operation aassessment efficiency.
Description
Technical Field
The application relates to the technical field of engineering cost management, in particular to an engineering cost operation evaluation method and system based on a BIM (building information modeling) technology.
Background
The construction cost refers to the construction price of a project, and refers to the total sum of all costs expected or actually required to complete the construction of a project.
The engineering cost calculation and evaluation method specifically comprises the steps of calculating all engineering quantities according to a drawing and a specified method or checking the engineering quantities according to an engineering quantity list; acquiring unit prices from a standard price database, determining the unit price of each subsection project, and performing auditing evaluation and adjustment on the selected unit prices to make the unit prices accord with the actual conditions of the bidding projects; filling in quotations according to the format of the project table in the bidding document; all the expense projects forming the subsection project are classified into the project, and the project unit price is calculated; estimating the artificial price of the subcontractor according to the range of the subcontractor project and the capacity of the subcontractor, and determining the subcontractor project cost; determining the profit value of the project according to the market competition condition; estimating a risk gold; and summarizing and summing all the expenses to obtain the estimated bid price of the project, adjusting the estimated bid price and determining the project bid price.
In the engineering cost calculation evaluation, the checking of the engineering quantity, the checking of the unit price of the engineering project, the determination of the sub-package engineering cost, the determination of the profit value, the estimation of the risk fund and the like need to be rechecked, and the evaluation efficiency is influenced.
For the related technologies, the applicant considers that the existing engineering cost operation evaluation needs to be performed with multiple rechecking operations, and the evaluation efficiency is influenced.
Disclosure of Invention
In order to improve the evaluation efficiency of engineering cost operation evaluation, the application provides an engineering cost operation evaluation method and system based on the BIM technology.
The engineering cost operation evaluation method based on the BIM technology has the advantage of being high in engineering cost operation evaluation efficiency.
The above object of the present application is achieved by the following technical solutions:
a project cost operation evaluation method based on BIM technology comprises,
acquiring project list detailed information of each sub-construction project in a three-dimensional model for simulating the whole process of project construction, and automatically carrying out engineering quantity audit correction;
after the engineering quantity correction is finished, automatically acquiring unit price corresponding to each sub-construction project list;
after the unit price correction is completed, automatically calculating the sum price according to the content of the sub-construction project, the corresponding project list and the unit price thereof;
enabling the three-dimensional model to simulate the whole construction process of a project, estimating risk, automatically matching the range of sub-package projects and the capacity value of sub-packages, and estimating sub-package project cost;
and determining the profit rate of the project by combining the actual market competition condition, estimating the profit value of the project, and then carrying out expense summary summation by combining the closing price calculation result, the risk money and the sub-package project cost to obtain the estimated construction cost of the project.
By adopting the technical scheme, the whole project construction process is simulated by means of the three-dimensional model, so that the project list content of the project cost is simulated and verified, the risk condition which possibly occurs is estimated, the range of the sub-package project is determined, and the like, and the actual condition of the project cost is favorably reflected; acquiring the project list detailed information of each sub-construction project, and automatically checking and correcting the project amount; automatically acquiring unit price corresponding to each sub-construction project list; automatically carrying out the price combination calculation; automatically estimating risk money, automatically matching the range of the sub-package project and the capacity value of the sub-package person, and estimating the sub-package project cost; estimating the profit value of the project, and then carrying out expense summary summation by combining the closing price calculation result, the risk fund and the sub-package project fee to obtain the estimated construction cost of the project; and further, the operation evaluation of the engineering cost is intelligent, repeated rechecking operation is not needed manually, and the evaluation efficiency of the operation evaluation of the engineering cost is improved.
The present application may be further configured in a preferred example to: pre-storing engineering case data related to engineering cost;
acquiring a project list of each project, a corrected project amount corresponding to the project list, a risk fund and a subcontracting project fee corresponding to each project, and creating a project cost data table;
training and learning are carried out based on the project cost data table data, and the regular relation between the project cost case content and the corresponding project amount, risk fund and sub-package project cost is obtained;
acquiring project list detailed information of each sub-construction project, inputting the project cost project case content and the corresponding regular relationship among the project amount, the risk fund and the sub-package project cost, outputting the project amount, and returning the project amount to the three-dimensional model to be used as the project amount after auditing and correcting;
and inputting the construction cost file data related to the construction cost in the construction drawing into the regular relationship between the construction cost engineering case content and the corresponding engineering quantity, risk fund and sub-package engineering cost, outputting the risk fund and the sub-package engineering cost, and returning the risk fund and the sub-package engineering cost to the three-dimensional model to be used as the estimated risk fund and the sub-package engineering cost.
By adopting the technical scheme, the project list of each project, the corresponding corrected project amount, the risk fund and the sub-package project cost corresponding to each project are obtained from the project case data related to the project cost, and a project cost data table is created to be used as training learning data; training and learning are carried out based on the project cost data table data, and the regular relation between the project cost case content and the corresponding project amount, risk fund and sub-package project cost is obtained; and then the engineering quantity, the risk fund and the sub-package engineering cost are automatically output, so that the examination and correction of the engineering quantity, the risk fund and the sub-package engineering cost in the three-dimensional model are realized, repeated rechecking operation is not required manually, and the evaluation efficiency of engineering cost operation evaluation is improved.
The present application may be further configured in a preferred example to: updating the engineering case data related to the engineering cost regularly and updating the engineering cost data table;
and training and learning are carried out based on the new project cost data table data, and the regular relation between the project cost case content and the corresponding project amount, risk fund and sub-package project cost is updated.
By adopting the technical scheme, the engineering case data related to the engineering cost is updated regularly to obtain the engineering cost data more fitting the reality for training and learning, so that the regular relationship between the engineering cost engineering case content and the corresponding engineering quantity, risk fund and sub-package engineering cost is more accurate, and the automatically output engineering quantity, risk fund and sub-package engineering cost are more accurate.
The present application may be further configured in a preferred example to: the step of building the three-dimensional model comprises,
acquiring project bidding documents, project lists and construction cost documents related to construction cost in construction drawings, dividing construction contents into a plurality of sub-construction projects according to the construction drawings, listing project list detailed information corresponding to each sub-construction project by combining the project lists, and generating an original model of the construction cost;
planning the progress plans of the sub-construction projects according to project bidding documents and field investigation conditions, respectively listing the construction contents and time arrangement of each sub-construction project, determining the logical relationship of each sub-construction project according to a construction scheme, and making a preliminary construction progress plan;
and associating the preliminary construction progress plan with the original engineering cost model to generate a three-dimensional model for simulating the whole construction process of the project.
By adopting the technical scheme, based on project bidding documents, project lists and project cost documents related to the cost in the construction drawings, construction contents and corresponding project lists are divided, the construction progress plan is planned, a preliminary construction progress plan is formulated, and a three-dimensional model is generated in a correlated manner and used for simulating the whole process of project construction, so that the project list contents of the project cost can be simulated and verified, the possible risk condition can be estimated, the range of sub-package projects and the like can be determined, the actual condition of the project cost can be better reflected, and the project cost can be better evaluated.
The present application may be further configured in a preferred example to: acquiring unit price data corresponding to each sub-construction project list, determining sub-package project cost according to the range of sub-package projects and the capacity value of sub-packages, determining the profit value of the projects and the estimated risk fund according to market competition conditions, and correcting and optimizing the original project cost model by using the acquired data.
By adopting the technical scheme, the original engineering cost model relates to an item list and corresponding unit price data, sub-package engineering cost, profit value and pre-estimated risk fund so as to better reflect the actual condition of the engineering cost, generate a three-dimensional model which is more fit with the actual condition and better simulate the whole process of project construction.
The present application may be further configured in a preferred example to: and connecting the three-dimensional model with a standard price database, automatically acquiring the unit price corresponding to the project list of each sub-construction project from the standard price database, and checking and correcting the selected unit prices.
By adopting the technical scheme, the unit price corresponding to the project list of each sub-construction project is obtained from the standard price database, the operation is convenient, and the unit price data is verified and corrected, so that the calculation evaluation result of the working cost is more accurate.
The second purpose of the application is to provide a project cost operation evaluation system based on the BIM technology, and the project cost operation evaluation system has the characteristic of high project cost operation evaluation efficiency.
The second application object of the present application is achieved by the following technical scheme:
a project cost operation evaluation system based on BIM technology comprises,
the three-dimensional model module is used for simulating the whole project construction process; the three-dimensional model module comprises an engineering quantity calibration submodule, a unit price calibration submodule, a price combination calculation submodule, a risk gold and packet engineering cost estimation submodule and an engineering cost estimation submodule;
the engineering quantity calibration submodule is used for acquiring the project list detailed information of each sub-construction project and automatically checking and correcting the engineering quantity;
the unit price calibration submodule is connected to the output end of the engineering quantity calibration submodule and used for automatically acquiring the unit price corresponding to each sub-construction project list;
the price combination calculation submodule is connected to the output end of the unit price calibration submodule and is used for automatically calculating the price combination according to the content of the sub-construction project, the corresponding project list and the unit price thereof;
the risk fund and sub-package project cost estimation submodule is connected with the joint price calculation submodule and used for enabling the three-dimensional model to simulate the whole process of project construction, estimating the risk fund, automatically matching the range of sub-package projects and the capacity value of sub-packages and estimating the sub-package project cost;
and the project cost estimation submodule is connected with the risk fund and sub-package project cost estimation submodule and is used for carrying out cost summary summation by combining the combined price calculation result, the risk fund and the sub-package project cost according to the project profit value to obtain the estimated cost of the project.
By adopting the technical scheme, the three-dimensional model module is used for simulating the whole project construction process; the three-dimensional model module is also internally provided with an engineering quantity calibration submodule, a unit price calibration submodule, a price combination calculation submodule, a risk fund and sub-package engineering cost estimation submodule and an engineering cost estimation submodule so as to automatically check and correct the engineering quantity, the risk fund and the sub-package engineering cost; and further, the operation evaluation of the engineering cost is intelligent, repeated rechecking operation is not needed manually, and the evaluation efficiency of the operation evaluation of the engineering cost is improved.
The present application may be further configured in a preferred example to: the three-dimensional model module is in communication connection with the cloud platform, acquires the engineering quantity in the cloud platform as the correction engineering quantity of the engineering quantity calibration submodule, and acquires the risk fund and the sub-package engineering cost in the cloud platform as the risk fund and the sub-package engineering cost estimated by the risk fund and sub-package engineering cost estimation submodule.
By adopting the technical scheme, the cloud platform can automatically calculate and correct the project amount, the risk fund and the sub-package project cost; the three-dimensional model module acquires the engineering quantity in the cloud platform as the correction engineering quantity of the engineering quantity calibration submodule; the three-dimensional model module acquires the risk fund and the sub-package engineering cost in the cloud platform as the risk fund and the sub-package engineering cost estimated by the sub-package engineering cost estimation sub-module; so as to realize the auditing and correction of the project amount, the risk fund and the subcontracting project fee in the three-dimensional model.
The present application may be further configured in a preferred example to: a data module, a training module and a rule module are arranged in the cloud platform;
the data module is used for acquiring project case data related to the project cost, enabling project lists of all projects to correspond to the corrected project amount, risk funds corresponding to all the projects and the sub-package project cost one by one, and creating a project cost data table;
the training module is connected to the output end of the data module and used for training and learning the data of the project cost data table to obtain the regular relationship between the project cost project case content and the corresponding project amount, risk fund and sub-package project cost;
and the rule module is connected to the output end of the training module and used for calculating output engineering quantity, risk fund and subcontracting engineering cost.
By adopting the technical scheme, the training module performs training learning based on items and relations among items in the project cost data table data in the data module, acquires regular relations among project case contents related to project cost and corresponding project amount, risk fund and sub-package project cost, stores the regular relations into the regular module, and is used for calculating and outputting the project amount, the risk fund and the sub-package project cost so as to achieve the purpose of automatically calculating and correcting the project amount, the risk fund and the sub-package project cost by the cloud platform.
The present application may be further configured in a preferred example to: the three-dimensional model module comprises an original engineering cost model unit, a primary construction progress planning unit and a three-dimensional model unit;
the project cost original model unit is used for acquiring project bidding documents, project lists and project cost documents related to the cost in the construction drawing, dividing construction contents into a plurality of sub-construction projects according to the construction drawing, listing project list detailed information corresponding to each sub-construction project by combining the project lists and generating a project cost original model;
the preliminary construction progress planning unit is used for planning the progress plans of the sub-construction projects according to project bidding documents and field investigation conditions, respectively listing the construction contents and time arrangement of each sub-construction project, determining the logical relationship of each sub-construction project according to the construction scheme, and making the preliminary construction progress plans;
and the three-dimensional model unit is connected to the output ends of the original construction cost model unit and the preliminary construction progress planning unit and is used for associating the preliminary construction progress plan with the original construction cost model to generate a three-dimensional model.
By adopting the technical scheme, the original model unit of the construction cost is used for generating the original model of the construction cost; the preliminary construction progress planning unit is used for making a preliminary construction progress plan; the three-dimensional model unit enables the preliminary construction progress plan to be associated with the original engineering cost model to generate a three-dimensional model so as to simulate the whole project construction process, further simulate and verify the project list content of the engineering cost, estimate the possible risk condition, determine the range of the sub-package engineering and the like, and is favorable for better reflecting the actual condition of the engineering cost.
In summary, the present application includes at least one of the following beneficial technical effects:
1. automatically checking and correcting the project quantity by means of a three-dimensional model, automatically acquiring unit price corresponding to each sub-construction project list, automatically performing combination price calculation, automatically estimating a risk fund, automatically matching the range of a sub-package project and the capacity value of a sub-package person, estimating the sub-package project cost, estimating the project profit value and automatically performing calculation and evaluation on the project cost; the operation evaluation of the engineering cost is intelligent, repeated rechecking operation is not needed manually, and the evaluation efficiency of the operation evaluation of the engineering cost is improved;
2. training and learning are carried out based on the data of the engineering cost data table, the regular relation between the engineering cost engineering case content and the corresponding engineering quantity, risk fund and sub-package engineering cost is obtained, and the engineering quantity, the risk fund and the sub-package engineering cost are automatically output, so that the examination and the correction of the engineering quantity, the risk fund and the sub-package engineering cost in the three-dimensional model are realized;
3. the three-dimensional model is utilized to simulate the whole project construction process, so that the project list content of the project cost can be simulated and verified, the risk condition which possibly occurs can be estimated, the range of the sub-package project can be determined, and the like, thereby being beneficial to better reflecting the actual condition of the project cost and better evaluating the project cost.
Drawings
Fig. 1 is a schematic overall flow chart of a project cost calculation and evaluation method based on the BIM technology according to an embodiment of the present disclosure.
FIG. 2 is a flow chart of steps for automatically calculating correction project amount, risk fund and subcontracting project cost by the cloud platform.
FIG. 3 is a flow chart of the steps for building a three-dimensional model.
Fig. 4 is a block diagram of a construction cost calculation and evaluation system based on the BIM technology according to an embodiment of the present disclosure.
Detailed Description
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In addition, the term "and/or" herein is only one kind of association relationship describing an associated object, and means that there may be three kinds of relationships, for example, a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship, unless otherwise specified.
The embodiments of the present application will be described in further detail with reference to the drawings attached hereto.
Referring to fig. 1, an embodiment of the present application provides a project cost calculation and evaluation method based on a BIM technology, and main steps of the method are described as follows.
And establishing a three-dimensional model based on the relevant data of the engineering cost for simulating the whole process of project construction.
In the three-dimensional model, calculating all engineering quantities according to a drawing and a specified method or acquiring the engineering quantities according to an engineering quantity list to acquire project list detailed information of each sub-construction project, wherein the project list detailed information comprises the engineering quantities used for construction and the corresponding quantities thereof, and then comparing the acquired project lists by combining simulation conditions of project construction; and when the contents of the project list of the project construction simulation are inconsistent with the acquired contents of the project list, replacing the contents of the original project list of each sub-construction project with the contents of the simulated project list so as to automatically check and correct the engineering quantity.
And after the engineering quantity correction is finished, automatically acquiring the unit price corresponding to each sub-construction project list. Specifically, the three-dimensional model is connected with a standard price database, and the unit price corresponding to the project list of each sub-construction project is automatically obtained from the standard price database, wherein the selected unit prices are checked and corrected. The standard price database is established by a bidder according to the storage of the related information of the construction cost of the past engineering project, and the standard price database is combined with the local actual price to update and adjust the corresponding unit price periodically so as to improve the rationality and accuracy of pricing, ensure that the unit price accords with the actual condition of the bidding project and reflect the change of market price.
And after the unit price is corrected, automatically calculating the closing price according to the content of the sub-construction project, the corresponding project list and the unit price thereof, sequentially multiplying the quantity of the projects in the project list by the corresponding unit price and accumulating the product, and taking the accumulated result as the result of the closing price calculation. And simultaneously, storing the quotation according to the format of the project table in the bid document, wherein the stored quotation content comprises a project list corresponding to the sub-construction projects, a corresponding unit price, the total sum of the sub-construction projects and the sum of the total sum of each sub-construction project. When calculating the unit price, all the cost items constituting the project of the subsection should be included.
And simulating the whole process of project construction by using the three-dimensional model, acquiring risk events existing in the project construction process in advance, counting the number of the risk events, matching risk coefficient factors corresponding to the number of the risk events, multiplying the total value of the project by the risk coefficient factors, and using the calculation result as a risk fund to estimate the risk fund.
Meanwhile, the whole process of the three-dimensional model simulation project construction is enabled to automatically divide and match the range of the sub-package project according to the simulation result, sub-packages and corresponding capability values are selected from a sub-package name list table, and corresponding sub-package cost is obtained so as to estimate the sub-package project cost. The subcontracting personal list is obtained from related data of previous engineering bidding and tendering, and is periodically updated according to the actual conditions of engineering construction and the actual demands of market.
And determining the profit rate of the project by combining the actual market competition condition, estimating the profit value of the project, and then carrying out expense summary summation by combining the closing price calculation result, the risk money and the sub-package project cost to obtain the estimated construction cost of the project.
And adjusting the estimated construction cost of the project based on the analysis of the profit and loss of the project. The engineering profit and loss analysis is carried out from different angles by adopting various existing methods, the problems in calculation are sought out, measures are taken to reduce the cost and increase the profit, and therefore the final construction cost of the engineering is determined.
Referring to fig. 2, engineering case data related to construction costs are prestored.
And acquiring a project list of each project, the corresponding corrected project amount, the corresponding risk fund of each project and the subcontracting project fee, and creating a project cost data table.
Training and learning are carried out based on the data of the project cost data table, and the regular relationship between the project cost case content and the corresponding project amount, risk fund and sub-package project cost is obtained.
Updating the engineering case data related to the engineering cost regularly and updating the engineering cost data table; training and learning are carried out based on the new project cost data table data, and the regular relationship between the project cost project case content and the corresponding project amount, risk fund and sub-package project cost is updated, so that the regular relationship between the project cost project case content and the corresponding project amount, risk fund and sub-package project cost is more accurate, and further the automatically output project amount, risk fund and sub-package project cost are more accurate.
And acquiring the detailed project list information of each sub-construction project, inputting the updated project cost project case content and the regular relationship among the corresponding project amount, risk fund and sub-package project cost, outputting the project amount, returning the project amount to the three-dimensional model to be used as the corrected project amount after auditing, and further correcting the project amount in the three-dimensional model.
And inputting the construction cost file data related to the construction cost in the construction drawing into the regular relationship between the construction cost engineering case content and the corresponding engineering quantity, risk fund and sub-package engineering cost, outputting the risk fund and the sub-package engineering cost, and returning the risk fund and the sub-package engineering cost to the three-dimensional model to be used as the estimated risk fund and the sub-package engineering cost.
And further, the purpose of automatic auditing and correcting of the project amount, the risk fund and the subcontracting project cost in the three-dimensional model is achieved.
Referring to fig. 3, the three-dimensional model is built as follows.
The construction method comprises the steps of obtaining project bidding documents, project lists and construction cost documents related to construction cost in construction drawings, dividing construction contents into a plurality of sub-construction projects according to the construction drawings, listing project list detailed information corresponding to each sub-construction project by combining the project lists, and generating an original model of the construction cost.
The method comprises the steps of obtaining unit price data corresponding to each sub-construction project list, determining sub-package project cost according to the range of sub-package projects and the capacity value of sub-package persons, determining the profit value of the projects and estimating risk money according to market competition conditions, and modifying and optimizing the original project cost model by using the obtained data so as to better reflect the actual conditions of the project cost, so that a generated three-dimensional model is more suitable for the actual conditions, and the actual process of project construction can be better simulated.
And planning the progress plans of the sub-construction projects according to the project bidding documents and the field and field investigation conditions, respectively listing the construction contents and time arrangement of each sub-construction project, determining the logical relationship of each sub-construction project according to the construction scheme, and making a preliminary construction progress plan.
And associating the preliminary construction progress plan with the corrected and optimized original engineering cost model to generate a three-dimensional model for simulating the whole construction process of the project.
The three-dimensional model can be used for simulating and checking the project list content of the construction cost, estimating the possible risk condition, determining the range of the sub-package project and the like, and is favorable for better reflecting the actual condition of the construction cost so as to better evaluate the construction cost.
Referring to fig. 4, an embodiment of the present application further provides a project cost operation evaluation system based on the BIM technology, which includes a three-dimensional model module for simulating the whole project construction process, where the three-dimensional model module includes a project amount calibration submodule, a unit price calibration submodule, a price combination calculation submodule, a risk fund and packet project cost estimation submodule, and a project cost estimation submodule.
And the engineering quantity calibration submodule is used for acquiring the project list detailed information of each sub-construction project and automatically checking and correcting the engineering quantity.
And the unit price calibration submodule is connected to the output end of the engineering quantity calibration submodule and is used for automatically acquiring the unit price corresponding to each sub-construction project list.
And the price combination calculation submodule is connected to the output end of the unit price calibration submodule and is used for automatically calculating the price combination according to the content of the sub-construction project, the corresponding project list and the unit price thereof.
The risk fund and sub-package project expense estimation submodule is connected with the pricing calculation submodule and used for enabling the three-dimensional model to simulate the whole process of project construction, estimating the risk fund, automatically matching the range of sub-package projects and the capacity value of sub-packages and estimating the sub-package project expense.
And the project cost estimation submodule is connected with the risk fund and sub-package project cost estimation submodule and is used for carrying out cost summary summation by combining the combined price calculation result, the risk fund and the sub-package project cost according to the project profit value to obtain the estimated cost of the project.
Further, the three-dimensional model module comprises a project cost original model unit, a preliminary construction progress planning unit and a three-dimensional model unit.
The project cost original model unit is used for obtaining project bidding documents, project lists and project cost documents related to the cost in the construction drawing, dividing construction contents into a plurality of sub-construction projects according to the construction drawing, listing project list detailed information corresponding to each sub-construction project by combining the project lists, and generating the project cost original model.
The preliminary construction progress planning unit is used for planning the progress plans of the sub-construction projects according to the project bidding documents and the field and field investigation conditions, respectively listing the construction contents and time arrangement of the sub-construction projects, determining the logical relationship of the sub-construction projects according to the construction scheme, and making the preliminary construction progress plans.
The three-dimensional model unit is connected with the output ends of the original construction cost model unit and the preliminary construction progress planning unit and is used for associating the preliminary construction progress plan with the original construction cost model to generate a three-dimensional model.
The project cost operation and evaluation system based on the BIM technology further comprises a cloud platform used for automatically calculating and correcting the project amount, the risk fund and the sub-package project cost, the three-dimensional model module is in communication connection with the cloud platform, the three-dimensional model module obtains the project amount in the cloud platform as the correction project amount of the project amount calibration sub-module, and the three-dimensional model module obtains the risk fund and the sub-package project cost in the cloud platform as the risk fund and the sub-package project cost estimated by the sub-package project cost estimation sub-module.
The cloud platform is internally provided with a data module, a training module and a rule module.
The data module is used for acquiring project case data related to the project cost, enabling project lists of all projects to correspond to the corrected project amount, risk funds corresponding to all the projects and the sub-package project cost one by one, and creating a project cost data table.
The training module is connected with the output end of the data module and used for training and learning the data of the project cost data table and obtaining the regular relation between the project cost case content and the corresponding project amount, risk fund and sub-package project cost.
The rule module is connected to the output end of the training module and used for calculating output engineering quantity, risk fund and subcontracting engineering cost.
The implementation principle of the embodiment is as follows: the whole project construction process is simulated by means of the three-dimensional model, project list contents of the project construction cost are simulated and verified, possible risk conditions are estimated, the range of the sub-package project is determined, and the like, so that the actual condition of the project construction cost can be better reflected.
And acquiring the detailed project list information of each sub-construction project from the three-dimensional model, automatically auditing and correcting the project amount, and further correcting the project amount in the three-dimensional model by means of a rule module in the cloud platform.
And automatically acquiring the unit price corresponding to each sub-construction project list from the standard price database by the three-dimensional model, and automatically calculating the sum price in the three-dimensional model by combining the corrected engineering quantity.
The three-dimensional model simulates the whole process of project construction, estimates the risk fund, automatically matches the range of sub-package projects and the capacity value of sub-packages, and further determines the numerical values of the risk fund and the sub-package project cost by means of a rule module in the cloud platform.
And manually inputting the estimated profit value of the project into the three-dimensional model, then combining the closing price calculation result, the risk fund and the packet project fee to sum the expenses to obtain the estimated construction cost of the project, and then adjusting to determine the final construction cost of the project.
Furthermore, the project cost operation evaluation method and system based on the BIM technology are intelligent in project cost operation evaluation, manual repeated rechecking operation is not needed, and the evaluation efficiency of project cost operation evaluation is improved.
Claims (10)
1. A project cost operation evaluation method based on BIM technology is characterized by comprising the following steps,
acquiring project list detailed information of each sub-construction project in a three-dimensional model for simulating the whole process of project construction, and automatically carrying out engineering quantity audit correction;
after the engineering quantity correction is finished, automatically acquiring unit price corresponding to each sub-construction project list;
after the unit price correction is completed, automatically calculating the sum price according to the content of the sub-construction project, the corresponding project list and the unit price thereof;
enabling the three-dimensional model to simulate the whole construction process of a project, estimating risk, automatically matching the range of sub-package projects and the capacity value of sub-packages, and estimating sub-package project cost;
and determining the profit rate of the project by combining the actual market competition condition, estimating the profit value of the project, and then carrying out expense summary summation by combining the closing price calculation result, the risk money and the sub-package project cost to obtain the estimated construction cost of the project.
2. The project cost operation evaluation method based on BIM technology as claimed in claim 1, characterized in that project cost related project case data are pre-stored;
acquiring a project list of each project, a corrected project amount corresponding to the project list, a risk fund and a subcontracting project fee corresponding to each project, and creating a project cost data table;
training and learning are carried out based on the project cost data table data, and the regular relation between the project cost case content and the corresponding project amount, risk fund and sub-package project cost is obtained;
acquiring project list detailed information of each sub-construction project, inputting the project cost project case content and the corresponding regular relationship among the project amount, the risk fund and the sub-package project cost, outputting the project amount, and returning the project amount to the three-dimensional model to be used as the project amount after auditing and correcting;
and inputting the construction cost file data related to the construction cost in the construction drawing into the regular relationship between the construction cost engineering case content and the corresponding engineering quantity, risk fund and sub-package engineering cost, outputting the risk fund and the sub-package engineering cost, and returning the risk fund and the sub-package engineering cost to the three-dimensional model to be used as the estimated risk fund and the sub-package engineering cost.
3. The BIM technology-based construction cost operation and evaluation method according to claim 2, wherein construction cost-related construction case data is periodically updated, and a construction cost data table is updated;
and training and learning are carried out based on the new project cost data table data, and the regular relation between the project cost case content and the corresponding project amount, risk fund and sub-package project cost is updated.
4. The BIM technology-based construction cost operation and evaluation method according to claim 1, wherein the three-dimensional model establishing step comprises,
acquiring project bidding documents, project lists and construction cost documents related to construction cost in construction drawings, dividing construction contents into a plurality of sub-construction projects according to the construction drawings, listing project list detailed information corresponding to each sub-construction project by combining the project lists, and generating an original model of the construction cost;
planning the progress plans of the sub-construction projects according to project bidding documents and field investigation conditions, respectively listing the construction contents and time arrangement of each sub-construction project, determining the logical relationship of each sub-construction project according to a construction scheme, and making a preliminary construction progress plan;
and associating the preliminary construction progress plan with the original engineering cost model to generate a three-dimensional model for simulating the whole construction process of the project.
5. The BIM technology-based project cost operation and evaluation method according to claim 4, wherein unit price data corresponding to each sub-construction project list is obtained, sub-package project cost is determined according to the range of sub-package projects and the capacity value of sub-package persons, profit value of the projects and estimated risk are determined according to market competition conditions, and the obtained data is used for modifying and optimizing the original project cost model.
6. The BIM technology-based engineering cost operation evaluation method according to claim 1, wherein the three-dimensional model is connected with a standard price database, the unit price corresponding to the project list of each sub-construction project is automatically obtained from the standard price database, and the selected unit prices are checked and corrected.
7. A project cost operation evaluation system based on BIM technology is characterized in that the project cost operation evaluation system comprises,
the three-dimensional model module is used for simulating the whole project construction process; the three-dimensional model module comprises an engineering quantity calibration submodule, a unit price calibration submodule, a price combination calculation submodule, a risk gold and packet engineering cost estimation submodule and an engineering cost estimation submodule;
the engineering quantity calibration submodule is used for acquiring the project list detailed information of each sub-construction project and automatically checking and correcting the engineering quantity;
the unit price calibration submodule is connected to the output end of the engineering quantity calibration submodule and used for automatically acquiring the unit price corresponding to each sub-construction project list;
the price combination calculation submodule is connected to the output end of the unit price calibration submodule and is used for automatically calculating the price combination according to the content of the sub-construction project, the corresponding project list and the unit price thereof;
the risk fund and sub-package project cost estimation submodule is connected with the joint price calculation submodule and used for enabling the three-dimensional model to simulate the whole process of project construction, estimating the risk fund, automatically matching the range of sub-package projects and the capacity value of sub-packages and estimating the sub-package project cost;
and the project cost estimation submodule is connected with the risk fund and sub-package project cost estimation submodule and is used for carrying out cost summary summation by combining the combined price calculation result, the risk fund and the sub-package project cost according to the project profit value to obtain the estimated cost of the project.
8. The BIM technology-based construction cost operation and evaluation system according to claim 7, further comprising a cloud platform for automatically calculating correction engineering quantity, risk fund and package engineering cost, wherein the three-dimensional model module is in communication connection with the cloud platform, the three-dimensional model module obtains the engineering quantity in the cloud platform as the correction engineering quantity of the engineering quantity calibration sub-module, and the three-dimensional model module obtains the risk fund and the package engineering cost in the cloud platform as the risk fund and the package engineering cost estimated by the risk fund and package engineering cost estimation sub-module.
9. The BIM technology-based project cost operation evaluation system according to claim 8, wherein a data module, a training module and a rule module are arranged in the cloud platform;
the data module is used for acquiring project case data related to the project cost, enabling project lists of all projects to correspond to the corrected project amount, risk funds corresponding to all the projects and the sub-package project cost one by one, and creating a project cost data table;
the training module is connected to the output end of the data module and used for training and learning the data of the project cost data table to obtain the regular relationship between the project cost project case content and the corresponding project amount, risk fund and sub-package project cost;
and the rule module is connected to the output end of the training module and used for calculating output engineering quantity, risk fund and subcontracting engineering cost.
10. The BIM technology-based construction cost operation and evaluation system according to claim 7, wherein the three-dimensional model module comprises a construction cost original model unit, a preliminary construction progress planning unit and a three-dimensional model unit;
the project cost original model unit is used for acquiring project bidding documents, project lists and project cost documents related to the cost in the construction drawing, dividing construction contents into a plurality of sub-construction projects according to the construction drawing, listing project list detailed information corresponding to each sub-construction project by combining the project lists and generating a project cost original model;
the preliminary construction progress planning unit is used for planning the progress plans of the sub-construction projects according to project bidding documents and field investigation conditions, respectively listing the construction contents and time arrangement of each sub-construction project, determining the logical relationship of each sub-construction project according to the construction scheme, and making the preliminary construction progress plans;
and the three-dimensional model unit is connected to the output ends of the original construction cost model unit and the preliminary construction progress planning unit and is used for associating the preliminary construction progress plan with the original construction cost model to generate a three-dimensional model.
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